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Every wearable these days will tell you how you slept and how well recovered you seem to be for the day’s activities. But it’s rare to get clear guidance or ideas on what you should do based on those scores. Ultrahuman, which makes smart rings, is trying a new approach: serving you different workout videos based on what it thinks you’re up for.
I can appreciate this approach, but I’m also a
...Keep reading this article on Life Hacker.